Toyota Sienna Service Manual: Intake system

2Gr-fe intake

Intake air control valve

Other materials:

Front Occupant Classification Sensor RH Circuit Malfunction
DTC B1781 Front Occupant Classification Sensor RH Circuit Malfunction DESCRIPTION The front occupant classification sensor RH circuit consists of the occupant classification ECU and the front occupant classification sensor RH. DTC B1781 is recorded when a malfunction is detected in the fron ...

Check mode procedure
HINT: Check mode has a higher sensitivity to malfunctions and can detect malfunction that normal mode cannot detect. Check mode can also detect all the malfunctions that normal mode can detect. In check mode, DTCs are detected with 1-trip detection logic.  Dtc check (check mode) HINT: I ...

On-vehicle inspection
1. Check battery electrolyte level (a) Check the electrolyte level. (1) If the electrolyte level is low, replace the battery (or add distilled water) and check the charging system. 2. CHECK BATTERY SPECIFIC GRAVITY (a) Check the color of the hydrometer. Result 3. CHECK BATTERY VOLTAGE ...